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SSRN 2020年

作者： Cheng, Diyi Wynn, Thomas A. Wang, Xuefeng Wang, Shen Zhang, Minghao Shimizu, Ryosuke Bai, Shuang Nguyen, Han Fang, Chengcheng Kim, Min-Cheol Li, Weikang Lu, Bingyu Kim, Suk Jun Meng, Ying Shirley Materials Science and Engineering Program University of California San Diego San diegoCA92121 United States Department of NanoEngineering University of California San Diego San diegoCA92121 United States School of Energy Materials and Chemical Engineering Korea University of Technology and Education Cheonan31253 Korea Republic of

The solid electrolyte interphase (SEI) is regarded as the most complex but the least understood constituent in secondary batteries using liquid and solid electrolytes. The nanostructures of SEIs were recently reported to be equally important to the chemistry of SEIs for stabilizing Li metal in liquid electrolyte. However, the dearth of such knowledge in all-solid-state battery (ASSB) has hindered a complete understanding of how certain solid-state electrolytes, such as LiPON, manifest exemplary stability against Li metal. Characterizing such solid-solid interfaces is difficult due to the buried, highly reactive, and beam-sensitive nature of the constituents within. By employing cryogenic electron microscopy (cryo-EM), the interphase between Li metal and LiPON is successfully preserved and probed, revealing a multilayer mosaic SEI structure with concentration gradients of nitrogen and phosphorous, materializing as crystallites within an amorphous matrix. This unique SEI nanostructure is less than 80 nm and is shown stable and free of any organic lithium containing species or lithium fluoride components, in contrast to SEIs often found in state-of-the-art organic liquid electrolytes. Our findings reveal insights on the nanostructures and chemistry of such SEIs as a key component in lithium metal batteries to stabilize Li metal anode. © 2020, The Authors. All rights reserved.

关键词： Solid electrolytes

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Hemicyanine dye sensor for aqueous ammonia detection: A breakthrough in monitoring microbial growth

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Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2025年

作者： P.M. Hari Prasad Anuraj Pillai Murali Rangarajan Archana Velloth A. Maya Nandkumar Olga A. Federova Zeena S. Pillai Department of Chemistry Amrita Vishwa Vidyapeetham Amritapuri Campus Clappana P.O Kollam 690525 India Center of Excellence in Advanced Materials and Green Technologies Amrita Vishwa Vidyapeetham Department of Chemical Engineering and Materials Science Amrita School of Engineering Coimbatore Tamil Nadu 641112 India Department of Chemical Sciences Indian Institute of Science Education and Research (IISER) Mohali Punjab 140306 India Division of Microbial Technology Biomedical Technology Wing Sree Chitra Tirunal Institute for Medical Sciences and Technologies Trivandrum Kerala 695012 India A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences 119991 Moscow Russian Federation D.I. Mendeleev University of Chemical Technology of Russia 125047 Moscow Russian Federation

In this study, we present a novel hemicyanine dye which has 4-hydroxybenzene moiety as a donor. The dye has been explored for its ability to sense ammonia in both liquid and gaseous states. The sensing mechanism and kinetic interactions between the dye and ammonia were investigated using UV–Visible spectroscopy. Additionally, 1 H NMR, FT-IR, and HRMS analyses were performed to elucidate the mechanistic aspects. Theoretical calculations from DFT measurements (Gaussian 16) further supported these findings. The sensor demonstrated an exceptional limit of detection at 0.263 ppm, marking the lowest value reported to date. Its practical utility was validated through microbial studies, where the dye successfully monitored ammonia evolution as a marker for bacterial growth. Notably, this is the first sensor documented in the literature for detecting liquid ammonia. Its real-world applicability was confirmed through microbial studies, where the dye effectively tracked ammonia evolution as an indicator of bacterial growth.

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Upconversion Nanoparticles: Heterochromatic Nonlinear Optical Responses in Upconversion Nanoparticles for Super-Resolution Nanoscopy (Adv. Mater. 23/2021)

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Advanced materials 2021年第23期33卷

作者： Chaohao Chen Baolei Liu Yongtao Liu Jiayan Liao Xuchen Shan Fan Wang Dayong Jin Institute for Biomedical Materials & Devices (IBMD) Faculty of Science University of Technology Sydney Sydney NSW 2007 Australia School of Electrical and Data Engineering Faculty of Engineering and Information Technology University of Technology Sydney Sydney NSW 2007 Australia UTS-SUStech Joint Research Centre for Biomedical Materials & Devices Department of Biomedical Engineering Southern University of Science and Technology Shenzhen 518055 China

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High Resolution Imaging of Virus in Liquid Droplets: The Application of Cryo-TEM Methodology to Improve Liquid-phase TEM Imaging of Biological materials

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Microscopy and Microanalysis 2021年第S2期27卷 19-20页

作者： Madeline J. Dukes GM Jonaid William J. Dearnaley Michael A. Casasanta Deborah F. Kelly Protochips Inc.Morrisville NC USA. Bioinformatics and Genomics Graduate Program Huck Institutes of the Life Sciences Pennsylvania State University University Park PA USA. Department of Biomedical Engineering Pennsylvania State University University Park PA USA. Materials Research Institute Pennsylvania State University University Park PA USA. Center for Structural Oncology Pennsylvania State University University Park PA16802 USA.

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Time synchronization between parietal–frontocentral connectivity with MRCP and gait in post-stroke bipedal tasks

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Journal of Neuroengineering and Rehabilitation 2024年第1期21卷 101页

作者： Phang, Chun-Ren Su, Kai-Hsiang Cheng, Yuan-Yang Chen, Chia-Hsin Ko, Li-Wei International Ph.D. Program in Interdisciplinary Neuroscience (UST) College of Biological Science and Technology National Yang Ming Chiao Tung University Hsinchu Taiwan Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B) College of Biological Science and Technology National Yang Ming Chiao Tung University Hsinchu Taiwan Department of Biological Science and Technology College of Biological Science and Technology National Yang Ming Chiao Tung University Hsinchu Taiwan Department of Physical Medicine and Rehabilitation Taichung Veterans General Hospital Taichung Taiwan Department of Post-Baccalaureate Medicine College of Medicine National Chung Hsing University Taichung Taiwan School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan Department of Physical Medicine and Rehabilitation Kaohsiung Medical University Hospital Kaohsiung Taiwan School of Medicine College of Medicine Kaohsiung Medical University Kaohsiung Taiwan Regenerative Medicine and Cell Therapy Research Center Kaohsiung Medical University Kaohsiung Taiwan Institute of Electrical and Control Engineering National Yang Ming Chiao Tung University Hsinchu Taiwan Department of Biomedical Science and Environment Biology Kaohsiung Medical University Kaohsiung Taiwan Drug Development and Value Creation Research Center Kaohsiung Medical University Kaohsiung Taiwan

Background: In post-stroke rehabilitation, functional connectivity (FC), motor-related cortical potential (MRCP), and gait activities are common measures related to recovery outcomes. However, the interrelationship between FC, MRCP, gait activities, and bipedal distinguishability have yet to be investigated. Methods: Ten participants were equipped with EEG devices and inertial measurement units (IMUs) while performing lower limb motor preparation (MP) and motor execution (ME) tasks. MRCP, FCs, and bipedal distinguishability were extracted from the EEG signals, while the change in knee degree during the ME phase was calculated from the gait data. FCs were analyzed with pairwise Pearson’s correlation, and the brain-wide FC was fed into support vector machine (SVM) for bipedal classification. Results: Parietal–frontocentral connectivity (PFCC) dysconnection and MRCP desynchronization were related to the MP and ME phases, respectively. Hemiplegic limb movement exhibited higher PFCC strength than nonhemiplegic limb movement. Bipedal classification had a short-lived peak of 75.1% in the pre-movement phase. These results contribute to a better understanding of the neurophysiological functions during motor tasks, with respect to localized MRCP and nonlocalized FC activities. The difference in PFCCs between both limbs could be a marker to understand the motor function of the brain of post-stroke patients. Conclusions: In this study, we discovered that PFCCs are temporally dependent on lower limb gait movement and MRCP. The PFCCs are also related to the lower limb motor performance of post-stroke patients. The detection of motor intentions allows the development of bipedal brain-controlled exoskeletons for lower limb active rehabilitation. © The Author(s) 2024.

关键词： Brain–computer interface Functional connectivity Motor execution Motor preparation Post-stroke

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Preface

Minerals, Metals and Materials Series

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Minerals, Metals and materials Series 2022年 v-vii页

作者： Srivatsan, T.S. Rohatgi, Pradeep K. Murph, Simona Hunyadi Department of Mechanical Engineering The University of Akron AkronOH United States Materials Science and Engineering Department University of Wisconsin–Milwaukee MilwaukeeWI United States LDRD Program Manager Savannah River National Laboratory AikenSC United States University of Georgia AthensGA United States

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Autonomic modulation of the immune response and implications for CNS malignancies

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npj Precision Oncology 2025年第1期9卷 1-14页

作者： Wachsmuth, Lucas P. Srinivasan, Ethan S. Puviindran, Bhairavy J. Haskell-Mendoza, Aden P. DeSpenza, Tyrone Fecci, Peter E. Brain Tumor Immunotherapy Program Duke University Durham NC United States Department of Pathology Duke University Durham NC United States Medical Science Training Program Duke University Durham NC United States School of Medicine Duke University Durham NC United States Department of Biomedical Engineering Duke University Durham NC United States Department of Neurosurgery Duke University Durham NC United States Preston Robert Tisch Brain Tumor Center Duke University Durham NC United States

While the central nervous system (CNS) has long been known to regulate global physiologic processes, its role in regulating immune responses has only relatively recently been appreciated. Specifically, CNS input via the autonomic nervous system (ANS) is increasingly emerging as a crucial modulator of immune responses in numerous pathologies, though understanding of the role of these pathways in malignancy is limited. Herein, we provide an overview of CNS-immune signaling pathways, outline the evidence of ANS inputs to immune organs, provide a detailed description of the impact of ANS signaling on immune cell functions, and consider the implications of ANS-immune regulation for the antitumor immune response and CNS inflammation, with a specific focus on how these factors coalesce to impact the antitumor immune response in intracranial malignancies. This review concludes by highlighting the need to better understand cancer neuro-immunology, the tripartite interactions of malignancy and immune cells within the unique niche of the nervous system. © The Author(s) 2025.

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Bioinks and bioprinting: A focused review

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Bioprinting 2020年 18卷

作者： Mobaraki, Mohammadmahdi Ghaffari, Maryam Yazdanpanah, Abolfazl Luo, Yangyang Mills, D.K. Department of Biomedical Engineering Amirkabir University of Technology Tehran Iran Molecular Science and Nanotechnology Interdisciplinary Program Louisiana Tech University Ruston 71272 LA United States Center for Biomedical Engineering and School of Biological Sciences Louisiana Tech University Ruston 71272 LA United States

Bioprinting is a process based on additive manufacturing that uses biomaterials as the microenvironment for living cells. These materials often referred to as bioinks, are based on cytocompatible hydrogel precursors, which gel in a manner compatible with different bioprinting approaches. Hydrogels are highly hydrated three-dimensional (3D) networks of cross-linked hydrophilic polymer chains and have been widely explored for use as bioactive delivery agents, cell carriers, consumer products, tissue engineering scaffolds and for wound healing. Hydrogels can be tailored for different chemical, electrical, mechanical, and thermal properties and can even be made to conduct electricity. Recent trends in bioink development have focused on incorporating carbon-based nanomaterials, clay nanomaterials, ceramics, fibers, and growth factors to create hybrid and multi-composite hydrogels. The goal of this review paper is to examine the synergies resulting from the combination of these materials. This review will feature recent advances in this field, focusing on bioink developments and bioprinting applications, and the use of natural and synthetic additives that impart unique, novel, or critical functionalities. © 2020 Elsevier B.V.

关键词： Bioinks Bioprinting Organ replacement Regenerative medicine Tissue regeneration

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Sensing the local magnetic environment through optically active defects in a layered magnetic semiconductor

arXiv

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arXiv 2022年

作者： Klein, Julian Song, Zhigang Pingault, Benjamin Dirnberger, Florian Chi, Hang Curtis, Jonathan B. Dana, Rami Bushati, Rezlind Quan, Jiamin Dekanovsky, Lukas Sofer, Zdenek Alù, Andrea Menon, Vinod M. Moodera, Jagadeesh S. Lončar, Marko Narang, Prineha Ross, Frances M. Department of Materials Science and Engineering Massachusetts Institute of Technology CambridgeMA02139 United States John A. Paulson School of Engineering and Applied Sciences Harvard University CambridgeMA United States College of Letters and Sciences UCLA Los AngelesCA90095 United States QuTech Delft University of Technology Delft2600 GA Netherlands Department of Physics City College of New York New YorkNY10031 United States Francis Bitter Magnet Laboratory Plasma Science and Fusion Center Massachusetts Institute of Technology CambridgeMA02139 United States U.S. Army CCDC Army Research Laboratory AdelphiMD20783 United States Department of Physics The Graduate Center City University of New York New YorkNY10016 United States Department of Electrical and Computer Engineering The University of Texas at Austin AustinTX78712 United States Photonics Initiative CUNY Advanced Science Research Center New YorkNY10031 United States Department of Electrical Engineering City College of the City University of New York New YorkNY10031 United States Physics Program Graduate Center City University of New York New YorkNY10026 United States Department of Inorganic Chemistry University of Chemistry and Technology Prague Technická 5 Prague 6166 28 Czech Republic Department of Physics Massachusetts Institute of Technology CambridgeMA02139 United States

Atomic-level defects in van der Waals (vdW) materials are essential building blocks for quantum technologies and quantum sensing applications. The layered magnetic semiconductor CrSBr is an outstanding candidate for exploring optically active defects owing to a direct gap in addition to a rich magnetic phase diagram including a recently hypothesized defect-induced magnetic order at low temperature. Here, we show optically active defects in CrSBr that are probes of the local magnetic environment. We observe spectrally narrow (1 meV) defect emission in CrSBr that is correlated with both the bulk magnetic order and an additional low temperature defect-induced magnetic order. We elucidate the origin of this magnetic order in the context of local and non-local exchange coupling effects. Our work establishes vdW magnets like CrSBr as an exceptional platform to optically study defects that are correlated with the magnetic lattice. We anticipate that controlled defect creation allows for tailor-made complex magnetic textures and phases with the unique ingredient of direct optical access. Copyright © 2022, The Authors. All rights reserved.

关键词： Magnetic semiconductors

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Emerging role of machine learning in light-matter interaction

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Light(science & Applications) 2019年第1期8卷 445-451页

作者： Jiajia Zhou Bolong Huang Zheng Yan Jean-Claude G.Bunzli Faculty of Science Institute for Biomedical Materials and DevicesUniversity of TechnologySydneyNSW 2007Australia Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic UniversityHong HumKowloonHong Kong SARChina Faculty of Engineering and IT Centre for Artificial IntelligenceUniversity of TechnologySydneyNSW 2007Australia Swiss Federal Institute of Technology Lausanne(EPFL)ISICLausanneSwitzerland

Machine learning has provided a huge wave of innovation in multiple fields,including computer vision,medical diagnosis,life sciences,molecular design,and instrumental *** perspective focuses on the implementation of machine learning in dealing with light-matter interaction,which governs those fields involving materials discovery,optical characterizations,and photonics *** highlight the role of machine learning in accelerating technology development and boosting scientific innovation in the aforementioned *** provide future directions for advanced computing techniques via multidisciplinary efforts that can help to transform optical materials into imaging probes,information carriers and photonics devices.

关键词： learning interaction dealing

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